nonofficial

official

sanctioned by, recognized by, or derived from authority: an official statement

3.

appointed by authority, esp for some special duty

4.

having a formal ceremonial character: an official dinner

noun

5.

a person who holds a position in an organization, government department, etc, esp a subordinate position

Official

/əˈfɪʃəl/

adjective

1.

of or relating to one of the two factions of the IRA and Sinn Féin, created by a split in 1969. The Official movement subsequently renounced terrorism and entered constitutional politics in the Irish Republic as the Workers' Party (now the Democratic Left)

official

n.

early 14c., from Old French oficial "law officer; bishop's representative" (12c.) and directly from Late Latin officialis "attendant to a magistrate, public official," noun use of officialis (adj.) "of or belonging to duty, service, or office" (see official (adj.)). Meaning "person in charge of some public work or duty" first recorded 1550s.

adj.

late 14c., "performing a service; required by duty," from Old French oficial "official; main, principal" (14c., Modern French officiel) or directly from Late Latin officialis "of or belonging to duty, service, or office," from Latin officium (see office). Meaning "pertaining to an office or official position" is from c.1600.